This Danfoss HSV3 3-port mid position valve is designed to work with the HSA3 heating system. It is a 22mm valve that is ideal for use with storage tank water heaters. The body of the valve is included in this sale, and it can be easily installed to help regulate the flow of hot water through your heating system. Please note that this listing is for the valve body only, and does not include any additional parts or accessories. If you have any questions or concerns about compatibility with your system, please consult a professional before purchasing.
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